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Sibi Chakravarthy Shanmugavel
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Publications (4)
Proceedings Article | 12 April 2021 Paper
Contrast transfer function with sinusoidal illumination for super resolved phase imaging
Proceedings Volume 11731, 117310B (2021) https://doi.org/10.1117/12.2587817
KEYWORDS: Phase imaging, Holography, Contrast transfer function, Super resolution, Microscopy, Image resolution, Diffraction, Transmittance, Phase shifts, Near field diffraction
Proceedings Article | 5 March 2021 Presentation + Paper
Hierarchical synthesis network: a frequency extraction technique for structured illumination-based phase retrieval
Proceedings Volume 11653, 116530Y (2021) https://doi.org/10.1117/12.2584563
KEYWORDS: Phase retrieval, Phase imaging, Phase shift keying, Phase measurement, Modulation, Diffraction, Spatial frequencies, Signal attenuation, Reconstruction algorithms, Neural networks
Proceedings Article | 5 March 2021 Poster + Presentation + Paper
High resolution phase imaging with transport of intensity equation and sinusoidal illumination
Proceedings Volume 11653, 116531K (2021) https://doi.org/10.1117/12.2579647
KEYWORDS: Image resolution, Signal to noise ratio, Phase imaging, Signal processing, Diffraction, Phase shift keying, Optical transfer functions, Modulation, Filtering (signal processing), Digital filtering
Proceedings Article | 5 March 2021 Poster + Presentation + Paper
Transport of intensity phase imaging with Wiener deconvolution for enhanced visibility
Proceedings Volume 11653, 116531E (2021) https://doi.org/10.1117/12.2583263
KEYWORDS: Deconvolution, Visibility, Phase imaging, Imaging systems, Interference (communication), Image filtering, Contrast transfer function, Phase retrieval, Image enhancement, Filtering (signal processing)
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